Home / 52,170.03-71,937.59-38,766.15

Finding the Fourth Proportional to 52,170.03, 71,937.59 and 38,766.15

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Solution

The fourth proportional to 52,170.03, 71,937.59 and 38,766.15 is: 53,454.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,170.03 : 71,937.59 = 38,766.15 : x
  2. Step 2: Convert to fraction form
    52,170.03/71,937.59 = 38,766.15/x
  3. Step 3: Cross multiply
    52,170.03x = 71,937.59 × 38,766.15
  4. Step 4: Simplify right side
    52,170.03x = 2,788,743,210.75
  5. Step 5: Solve for x
    x = 2,788,743,210.75/52,170.03
  6. Step 6: Final answer
    x = 53,454.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.